/*
 * Copyright (c) 2011 Imre Fazekas.
 * All rights reserved.
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * Neither the name of the Brillien nor the names of its
 * terms and concepts may be used to endorse or promote products derived from this
 * software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

package com.vii.streamline.web;

import com.vii.streamline.jsonrpc.exchange.ExchangeDataProvider;
import com.vii.streamline.services.db.DBServices;
import com.vii.streamline.services.db.SimpleDBMediator;
import com.vii.streamline.services.error.StreamLineException;

import javax.servlet.ServletConfig;

/**
 * Helper class providing DB connectivity
 */
public abstract class DBDataProvider extends SimpleDBMediator implements ExchangeDataProvider {

    public DBDataProvider(ServletConfig config) throws StreamLineException {
        this(
                config.getInitParameter("dataprovider_vendor"),
                config.getInitParameter("dataprovider_username"),
                config.getInitParameter("dataprovider_password"),
                config.getInitParameter("dataprovider_address"),
                config.getInitParameter("dataprovider_port"),
                config.getInitParameter("dataprovider_database")
        );
    }

    public DBDataProvider(String vendor, String username, String password, String address, String port, String database) throws StreamLineException {
        super( vendor, username, password, address, port, database );
        DBServices.getDataSource( this );
    }

    @Override
    public void open() throws StreamLineException {
        DBServices.getDataSource( this );
    }

    @Override
    public void close() throws StreamLineException {
        retrieveConnections();
    }

}
